†Incidences of the adverse reactions have been calculated for all the individual studies. (min%–max%) are the lowest and highest observed incidence of an adverse reaction. ‡ DMSO was administered intravenously in all studies. § DMSO was administered intravenously in all studies. Horacek et al. [ 102] measured 42 patients with an increase in systolic blood pressure, and 31 patients with an increase in diastolic blood pressure. This was counted as 73 cases of hypertension. ¶ In both studies, asystole occurred because of DMSO effect on the trigeminal nerve and activation of the trigeminal cardiac reflex. d) in one study DMSO was administered transdermally